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[DNM] Hosted cluster w/ PUDN POC #7773

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[DNM] Hosted cluster w/ PUDN POC #7773

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b518042
hosted-cluster changes
RamLavi Feb 8, 2026
baf0be8
hostedclusterconfigoperator: reconcile UDN EndpointSlices for etcd
RamLavi Feb 16, 2026
07435c9
hostedclusterconfigoperator: reconcile Primary UDN guest DNS and oaut…
RamLavi Feb 16, 2026
a3b8a60
kubevirt: add hosted cluster on Primary UDN install flags
RamLavi Feb 17, 2026
24ca432
e2e: Add option to create kubevirt with primaruUDN
RamLavi Feb 17, 2026
7b020b6
kubevirt: default Primary UDN for conformance CI lane
RamLavi Feb 18, 2026
6ee95a2
[DBG] force CAPK image
RamLavi Feb 25, 2026
40aa56a
hostedcluster: recreate HCP namespace when Primary UDN metadata is mi…
RamLavi Mar 30, 2026
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995 changes: 995 additions & 0 deletions PRIMARY-UDN-CHANGES.md
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7 changes: 7 additions & 0 deletions api/hypershift/v1beta1/hostedcluster_types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -278,6 +278,13 @@ const (
// JSONPatchAnnotation allow modifying the kubevirt VM template using jsonpatch
JSONPatchAnnotation = "hypershift.openshift.io/kubevirt-vm-jsonpatch"

// PrimaryUDNNameAnnotation enables Primary UDN for KubeVirt hosted clusters by specifying the
// UserDefinedNetwork name to be used as the primary network for the hosted control plane namespace.
PrimaryUDNNameAnnotation = "hypershift.openshift.io/primary-udn-name"
// PrimaryUDNSubnetAnnotation specifies the subnet CIDR for the Primary UDN to be created/ensured
// in the hosted control plane namespace (e.g. "10.150.0.0/16").
PrimaryUDNSubnetAnnotation = "hypershift.openshift.io/primary-udn-subnet"

// KubeAPIServerGOGCAnnotation allows modifying the kube-apiserver GOGC environment variable to impact how often
// the GO garbage collector runs. This can be used to reduce the memory footprint of the kube-apiserver.
KubeAPIServerGOGCAnnotation = "hypershift.openshift.io/kube-apiserver-gogc"
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